CPC F25B 9/14 (2013.01) | 8 Claims |
1. A cryocooler configured to be mountable on a vacuum container to cool a liquid refrigerant container, the cryocooler comprising:
an attachment flange forming a refrigerant gas chamber between a mounting port of the vacuum container and the attachment flange when the cryocooler is mounted on the mounting port, and movable in a detachment direction by raising a pressure of the refrigerant gas chamber; and
a cooling stage cooling an object to be cooled disposed inside the vacuum container and movable from a cooling position in contact with the object to be cooled to a non-cooling position separated from the object to be cooled in response to a movement of the attachment flange in the detachment direction,
wherein the refrigerant gas chamber is connected to the liquid refrigerant container,
wherein the cryocooler further comprises:
the liquid refrigerant container; and
a refrigerant gas pipe connecting the liquid refrigerant container to the refrigerant as chamber.
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